Question Odyssey g7 losing signal on intense games

[Beardy suburb]

5600x
16gb vengeance 3600cl18
ASUs b550-A
Cm 750gold plus
Rx470 4gb
The monitor runs perfectly in everything else except Apex legends.I run the game at 100fps max due to the gpu(new one hasn’t arrived or will anytime soon😂) and I think it’s causing my monitor to lose signal cause I run it at 240hz.
I played league at 240 no problems also Minecraft and some other games with no problems what so ever.
the monitor closes and goes into standby mode and the only way 2fix it is by restarting the pc. tried hdmi 2 different DP cables(both certified) and also loses signal on Apex.

 

[Beardy suburb]

I am starting 2think it’s my gpu not being able to handle the load cause the psu isn’t and also my pc isn’t overheating (temps around 50 degrees at all times)